#!/usr/bin/python3

def add(a, b):
        return a + b

def less(a, b):
        return a - b

def mult(a, b):
        return a * b

def exce(a, b):
        return a / b

def divi(a, b):
        return a // b

def rema(a, b):
        return a % b

def power(a, b):
        return a ** b

def sqrt(a, b):
        return a ** (1/b)

print(add(10,2))
print(less(10,2))
print(mult(10,2))
print(exce(10,2))
print(divi(11,2))
print(rema(11,2))
print(power(10,2))
print(sqrt(9,2))